package com.io.service;

import com.io.entity.many2many.Course;
    /**
 * The class/interface
 *
 * @author guodd
 * @version 1.0 use jdk 1.8
 */
public interface CourseService{


    int deleteByPrimaryKey(Integer sid);

    int insert(Course record);

    int insertSelective(Course record);

    Course selectByPrimaryKey(Integer sid);

    int updateByPrimaryKeySelective(Course record);

    int updateByPrimaryKey(Course record);

}
